JPH0671244B2 - フレームチエツクシーケンス更新方法 - Google Patents
フレームチエツクシーケンス更新方法Info
- Publication number
- JPH0671244B2 JPH0671244B2 JP63271090A JP27109088A JPH0671244B2 JP H0671244 B2 JPH0671244 B2 JP H0671244B2 JP 63271090 A JP63271090 A JP 63271090A JP 27109088 A JP27109088 A JP 27109088A JP H0671244 B2 JPH0671244 B2 JP H0671244B2
- Authority
- JP
- Japan
- Prior art keywords
- fcs
- frame
- polynomial
- byte
- bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
- H03M13/093—CRC update after modification of the information word
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP87480017.0 | 1987-10-30 | ||
EP87480017A EP0313707B1 (de) | 1987-10-30 | 1987-10-30 | Mittel für Datenintegritätssicherung |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01149631A JPH01149631A (ja) | 1989-06-12 |
JPH0671244B2 true JPH0671244B2 (ja) | 1994-09-07 |
Family
ID=8198330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63271090A Expired - Lifetime JPH0671244B2 (ja) | 1987-10-30 | 1988-10-28 | フレームチエツクシーケンス更新方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5046069A (de) |
EP (1) | EP0313707B1 (de) |
JP (1) | JPH0671244B2 (de) |
DE (1) | DE3785211T2 (de) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5121396A (en) * | 1988-10-27 | 1992-06-09 | International Business Machines Corp. | Preservation of crc integrity upon intentional data alteration during message transmission |
GB2242104B (en) * | 1990-02-06 | 1994-04-13 | Digital Equipment Int | Method and apparatus for generating a frame check sequence |
JPH04142844A (ja) * | 1990-10-03 | 1992-05-15 | Nec Corp | エコーフレームのフレームチェックシーケンス算出方式 |
JP2780503B2 (ja) * | 1991-01-30 | 1998-07-30 | 日本電気株式会社 | パリティチェック検出回路 |
DE69124743T2 (de) * | 1991-11-29 | 1997-08-14 | Ibm | Vorrichtung zur Speicherung und Durchschaltung und Verfahren zur Datensicherung während der Speicherung |
GB9312136D0 (en) * | 1993-06-11 | 1993-07-28 | Inmos Ltd | Transmission of messages |
GB9312135D0 (en) * | 1993-06-11 | 1993-07-28 | Inmos Ltd | Generation of checking data |
JPH0787090A (ja) * | 1993-06-30 | 1995-03-31 | Toyo Commun Equip Co Ltd | 巡回符号検出方法及び装置 |
FR2719177B1 (fr) * | 1994-04-22 | 1996-07-05 | Matra Transport | Procédé de transmission de bits d'information à codage redondant, réseau local comportant application de ce procédé, et équipement périphérique à utiliser dans un tel réseau local. |
EP0681381A1 (de) * | 1994-05-06 | 1995-11-08 | International Business Machines Corporation | Verfahren und Anordnung zur Modifizierung von Rahmenkontrollwörtern in Zwischenknoten von Hochgeschwindigkeitsnetzwerken |
EP0735711A1 (de) * | 1995-03-31 | 1996-10-02 | International Business Machines Corporation | Verfahren und Anordnung zur Modifizierung von Rahmenprüfmusterfolgen (FCS) |
US6272108B1 (en) * | 1997-03-05 | 2001-08-07 | Paradyne Corporation | Apparatus and method to allow a frame check sequence to determine the updating of adaptive receiver parameters of a high speed communication device |
US6128760A (en) * | 1998-10-13 | 2000-10-03 | Lsi Logic Corporation | Method and apparatus for calculating a CRC remainder |
SE519003C2 (sv) * | 1998-10-23 | 2002-12-17 | Ericsson Telefon Ab L M | Anordningar och förfarande relaterande till felkorrigerade transmission av digital data |
US7298691B1 (en) | 2000-08-04 | 2007-11-20 | Intellon Corporation | Method and protocol to adapt each unique connection in a multi-node network to a maximum data rate |
US6987770B1 (en) | 2000-08-04 | 2006-01-17 | Intellon Corporation | Frame forwarding in an adaptive network |
US6909723B1 (en) | 2000-08-04 | 2005-06-21 | Intellon Corporation | Segment bursting with priority pre-emption and reduced latency |
US7469297B1 (en) * | 2000-08-04 | 2008-12-23 | Intellon Corporation | Mechanism for using a quasi-addressed response to bind to a message requesting the response |
US6907044B1 (en) | 2000-08-04 | 2005-06-14 | Intellon Corporation | Method and protocol to support contention-free intervals and QoS in a CSMA network |
US7352770B1 (en) | 2000-08-04 | 2008-04-01 | Intellon Corporation | Media access control protocol with priority and contention-free intervals |
US6868516B1 (en) | 2000-12-21 | 2005-03-15 | Emc Corporation | Method for validating write data to a memory |
US6779150B1 (en) * | 2000-12-21 | 2004-08-17 | Emc Corporation | CRC error detection system and method |
US7826466B2 (en) | 2002-06-26 | 2010-11-02 | Atheros Communications, Inc. | Communication buffer scheme optimized for VoIP, QoS and data networking over a power line |
US8149703B2 (en) | 2002-06-26 | 2012-04-03 | Qualcomm Atheros, Inc. | Powerline network bridging congestion control |
US7120847B2 (en) | 2002-06-26 | 2006-10-10 | Intellon Corporation | Powerline network flood control restriction |
US6981195B2 (en) * | 2002-08-02 | 2005-12-27 | Analog Devices, Inc. | Cyclic redundancy check with efficient re-computation of error detection code |
AU2003284317A1 (en) | 2002-10-21 | 2004-05-13 | Intellon Corporation | Contention-free access intervals on a csma network |
US7281187B2 (en) | 2003-11-20 | 2007-10-09 | Intellon Corporation | Using error checking bits to communicated an address or other bits |
US8090857B2 (en) | 2003-11-24 | 2012-01-03 | Qualcomm Atheros, Inc. | Medium access control layer that encapsulates data from a plurality of received data units into a plurality of independently transmittable blocks |
KR20050057698A (ko) * | 2003-12-10 | 2005-06-16 | 삼성전자주식회사 | 체크섬을 생성하는 장치 및 방법 |
US7660327B2 (en) | 2004-02-03 | 2010-02-09 | Atheros Communications, Inc. | Temporary priority promotion for network communications in which access to a shared medium depends on a priority level |
US7715425B2 (en) | 2004-02-26 | 2010-05-11 | Atheros Communications, Inc. | Channel adaptation synchronized to periodically varying channel |
US7636370B2 (en) | 2005-03-03 | 2009-12-22 | Intellon Corporation | Reserving time periods for communication on power line networks |
US8175190B2 (en) | 2005-07-27 | 2012-05-08 | Qualcomm Atheros, Inc. | Managing spectra of modulated signals in a communication network |
US7822059B2 (en) | 2005-07-27 | 2010-10-26 | Atheros Communications, Inc. | Managing contention-free time allocations in a network |
WO2008141165A1 (en) | 2007-05-10 | 2008-11-20 | Intellon Corporation | Managing distributed access to a shared medium |
FR2912525A1 (fr) * | 2007-05-25 | 2008-08-15 | Siemens Vdo Automotive Sas | Procede de controle d'integrite de donnees par redondance cyclique incrementale. |
WO2010114058A1 (ja) | 2009-03-31 | 2010-10-07 | 株式会社日本触媒 | 粒子状吸水性樹脂の製造方法 |
US8660013B2 (en) | 2010-04-12 | 2014-02-25 | Qualcomm Incorporated | Detecting delimiters for low-overhead communication in a network |
US8891605B2 (en) | 2013-03-13 | 2014-11-18 | Qualcomm Incorporated | Variable line cycle adaptation for powerline communications |
CN103269226B (zh) * | 2013-04-19 | 2016-02-10 | 荣成市鼎通电子信息科技有限公司 | 共享存储机制的近地通信中准循环ldpc串行编码器 |
CN103236859B (zh) * | 2013-04-19 | 2016-04-20 | 荣成市鼎通电子信息科技有限公司 | 共享存储机制的准循环ldpc串行编码器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE417760B (sv) * | 1979-05-15 | 1981-04-06 | Ellemtel Utvecklings Ab | Sett att vid dataoverforing mellan en sendande dator och en mottagande dator overvaka fel och anordning for genomforande av settet |
US4723244A (en) * | 1985-10-01 | 1988-02-02 | Harris Corporation | Method and apparatus for preserving the integrity of the error detection/correction word in a code word |
-
1987
- 1987-10-30 DE DE87480017T patent/DE3785211T2/de not_active Expired - Lifetime
- 1987-10-30 EP EP87480017A patent/EP0313707B1/de not_active Expired - Lifetime
-
1988
- 1988-10-17 US US07/259,025 patent/US5046069A/en not_active Expired - Fee Related
- 1988-10-28 JP JP63271090A patent/JPH0671244B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3785211T2 (de) | 1993-10-07 |
US5046069A (en) | 1991-09-03 |
EP0313707B1 (de) | 1993-03-31 |
EP0313707A1 (de) | 1989-05-03 |
DE3785211D1 (de) | 1993-05-06 |
JPH01149631A (ja) | 1989-06-12 |
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